Perennial ryegrass

Descriptors
Category: CYTOLOGIC

1. Ploidy level (Ploidy level) Determination of ploidy level by using Flow Cytometry (FCM)

Category: DISEASE

1. Disease_Brown spot (Disease_Brown spot) Presence of brown spot disease
2. Diseases_general impression (Diseases_general impression) General diseases impact/general impression
3. Plant health: Autumn diseases (Plant health: Autumn diseases) Estimation of plant health under autumn diseases
4. Rust diseases (Rust diseases) Estimation of resistance against rust (mainly crown rust, Puccinia coronata)

Category: PHENOLOGY

1. Heading (Heading) Heading date (days from 1st of January until the first three tillers emerge)

Category: STRESS

1. Growth status_Spring (Growth status_Spring) Estimation of growth status in spring
2. Plant: Size_Autumn (Plant: Size_Autumn) Size of plant in Autumn
3. Plant: Size_Jan. (Plant: Size_Jan.) Size of plant in January
4. Plant: Size_May (Plant: Size_May) Size of plant in May
5. Winterhardiness after 10 weeks at -10 Cº (%) (WIN 10w/-10c) Surviving plants after 10 weeks at -10 Cº in %
6. Winterhardiness after 10 weeks at -12 Cº (%) (WIN 10w/-12c) Surviving plants after 10 weeks at -12 Cº in %
7. Winterhardiness after 10 weeks at -14 Cº (%) (WIN 10w/-14c) Surviving plants after 10 weeks at -14 Cº in %
8. Winterhardiness after 10 weeks at -16 Cº (%) (WIN 10w/-16c) Surviving plants after 10 weeks at -16 Cº in %
9. Winterhardiness after 5 weeks at -10 Cº (%) (WIN 5w/-10c) Surviving plants after 5 weeks at -10 Cº in %
10. Winterhardiness after 5 weeks at -12 Cº (%) (WIN 5w/-12c) Surviving plants after 5 weeks at -12 Cº in %
11. Winterhardiness after 5 weeks at -14 Cº (%) (WIN 5w/-14c) Surviving plants after 5 weeks at -14 Cº in %
12. Winterhardiness after 5 weeks at -16 Cº (%) (WIN 5w/-16c) Surviving plants after 5 weeks at -16 Cº in %
13. Winter survival (Winter survival) Winter damage estimation